Plumb NotifyAnimationAborted from the compositor to blink animation delegate.

cc/test/animation_timelines_test_common.h

Index: cc/test/animation_timelines_test_common.h
diff --git a/cc/test/animation_timelines_test_common.h b/cc/test/animation_timelines_test_common.h
index 518929d6abc8804f17b9f9c6901c29fdebba3695..1733ca80152a85e21ef736aa4bf5cf5ae826523a 100644
--- a/cc/test/animation_timelines_test_common.h
+++ b/cc/test/animation_timelines_test_common.h
@@ -151,6 +151,9 @@ class TestAnimationDelegate : public AnimationDelegate {
   void NotifyAnimationFinished(base::TimeTicks monotonic_time,
                                Animation::TargetProperty target_property,
                                int group) override;
+  void NotifyAnimationAborted(base::TimeTicks monotonic_time,
+                              Animation::TargetProperty target_property,
+                              int group) override {}
   bool started_;
   bool finished_;
 };